@skokenes/slate-yjs
Version:
Yjs bindings for Slate.
101 lines • 6.49 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getSyncNodePath = exports.getArrayPosition = exports.getParent = exports.getTarget = void 0;
const tiny_invariant_1 = __importDefault(require("tiny-invariant"));
const Y = __importStar(require("yjs"));
const model_1 = require("../model");
const convert_1 = require("../utils/convert");
const isTree = (node) => !!model_1.SyncNode.getChildren(node);
/**
* Returns the SyncNode referenced by the path
*
* @param doc
* @param path
*/
function getTarget(doc, path) {
function iterate(current, idx) {
const children = model_1.SyncNode.getChildren(current);
if (!isTree(current) || !(children === null || children === void 0 ? void 0 : children.get(idx))) {
throw new TypeError(`path ${path.toString()} does not match doc ${JSON.stringify(convert_1.toSlateDoc(doc))}`);
}
return children.get(idx);
}
return path.reduce(iterate, doc);
}
exports.getTarget = getTarget;
function getParentPath(path, level = 1) {
if (level > path.length) {
throw new TypeError('requested ancestor is higher than root');
}
return [path[path.length - level], path.slice(0, path.length - level)];
}
function getParent(doc, path, level = 1) {
const [idx, parentPath] = getParentPath(path, level);
const parent = getTarget(doc, parentPath);
tiny_invariant_1.default(parent, 'Parent node should exists');
return [parent, idx];
}
exports.getParent = getParent;
/**
* Returns the position of the sync item inside inside it's parent array.
*
* @param item
*/
function getArrayPosition(item) {
let i = 0;
let c = item.parent._start;
while (c !== item && c !== null) {
if (!c.deleted) {
i += 1;
}
c = c.right;
}
return i;
}
exports.getArrayPosition = getArrayPosition;
/**
* Returns the document path of a sync item
*
* @param node
*/
function getSyncNodePath(node) {
if (!node) {
return [];
}
const { parent } = node;
if (!parent) {
return [];
}
if (parent instanceof Y.Array) {
tiny_invariant_1.default(node._item, 'Parent should be associated with a item');
return [...getSyncNodePath(parent), getArrayPosition(node._item)];
}
if (parent instanceof Y.Map) {
return getSyncNodePath(parent);
}
throw new Error(`Unknown parent type ${parent}`);
}
exports.getSyncNodePath = getSyncNodePath;
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